Working with it.

PC_CONTROL_CODE/main.py

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+import serial, time
+
+# CONST
+MD1200BAUD = 38400
+SERIALADAPTER = "/dev/ttyUSB0"  # In Windows it would be something like COM3
+
+# init
+MDserial = serial.Serial(
+    port=SERIALADAPTER,\
+    baudrate=MD1200BAUD,\
+    parity=serial.PARITY_NONE,\
+    stopbits=serial.STOPBITS_ONE,\
+    bytesize=serial.EIGHTBITS,\
+    timeout=1)
+
+
+# Check if UART is used
+# Not neede because when defining MDserial it gets automatically opened
+# try:
+#     MDserial.open()
+# except serial.serialutil.SerialException:
+#     # MDserial.close()
+#     # MDserial.open()
+#     print("Port allready opened.\nTry closing it first")
+
+
+def getTemp():
+    print()
+
+def setSpeed():
+    print()
+
+while True:
+    MDreturning = MDserial.read_until(" >").decode()
+
+    # sleep(50)
+    MDfanspeed = getTemp(MDreturning)
+
+    setSpeedrcode = setSpeed()
+
+    if setSpeedrcode == 0:
+        continue
+    elif setSpeedrcode == -1:
+        continue
+    else:
+        print("o nyo")
+        exit()
+
+
+
+    
+
+# https://stackoverflow.com/questions/52578122/not-able-to-send-the-enter-command-on-pyserial
+# MDserial.write("_temp_rd\n\r".encode())
+
+# getTemp()
+# print(MDserial.read_until(" >"))
+
+# fanprct = 23
+
+# MDserial.write(f"set_speed {fanprct}\n\r".encode())
+
+
+
+
+# print("closing port")
+# MDserial.close()